#243383#243383

#243383 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.135 H 270.1°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#243383
RGB	rgb(36, 51, 131)
HSL	hsl(231, 57%, 33%)
HSV	hsv(231, 73%, 51%)
CMYK	cmyk(72.5%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(24.89, 22.90, -46.85)
CIE-LCH	lch(24.89, 52.15, 296.05°)
OKLab	oklab(36.14% 0.0003 -0.1351)
OKLCH	oklch(36.14% 0.135 270.1)
XYZ	xyz(6.0067, 4.3808, 21.9974)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243383 #837424

analogous

#246383 #243383 #442483

triadic

#243383 #832433 #338324

tetradic

#243383 #832463 #837424 #248344

square

#243383 #832463 #837424 #248344

split-complementary

#243383 #834424 #638324

monochromatic

#0A0E23 #172053 #243383 #3146B3 #5266CF

Accessibility & contrast

On white

11.19

#243383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#243383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243383

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243383	#FFFFFF	#000000	##FFFFFF
##243383	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004086

Deuteranopia (green-blind)

#003781

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243383;
/* rgb */ color: rgb(36, 51, 131);
/* oklch */ color: oklch(36.1% 0.135 270.1);

Tailwind

colors: {
  custom: {
    50: '#6c6aa8',
    500: '#243383',
    950: '#000000',
  },
}

SCSS

$custom: #243383;
$custom-light: #6c6aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#243383",
  "rgb": {
    "r": 36,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 230.526,
    "s": 56.886,
    "l": 32.745
  },
  "oklch": {
    "l": 0.36139,
    "c": 0.13511,
    "h": 270.1
  },
  "luminance": 0.04381
}

Semantic roles & 50–950 ramp

primary

#243383

secondary

#B3A44F

accent

#C848E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #243383

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →